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Class Information
Number: 137/165
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure discharge of liquids feed traps (e.g., to boiler) > Gas pressure controlled by amount of liquid in trap > Float responsive
Description: Feed-traps wherein the gas pressure application is controlled by a float in the feed-trap chamber.

Sub-classes under this class:

Class Number Class Name Patents
137/167 Gas condensing type 2
137/168 Gas inlet and outlet valves unitary 0
137/166 Liquid control valve positively actuated 1

Patents under this class:

Patent Number Title Of Patent Date Issued
7610697 Automatic draining apparatus of condensation Nov. 3, 2009
6244829 Liquid forced-feed apparatus Jun. 12, 2001
5562314 Door latch assembly with backset adjustment Oct. 8, 1996
4735380 Pressurized fluid feed system Apr. 5, 1988

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